Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 49: Issue 1
Thermogravimetric characterisation of poly(methyl methacrylate) photopolymerised by colloidal cadmium sulphide
Authors:
L. Katsikas Faculty of Technology and Metallurgy, Belgrade University, Kariiegijeva 4, P.O.B. 494, 11001 Belgrade, Yugoslavia

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J. Veličković Faculty of Technology and Metallurgy, Belgrade University, Kariiegijeva 4, P.O.B. 494, 11001 Belgrade, Yugoslavia

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H. Weller Institute of Physical Chemistry, Hamburg University, Bundesstrasse 45, 20146 Hamburg, Germany

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I. Popović Faculty of Technology and Metallurgy, Belgrade University, Kariiegijeva 4, P.O.B. 494, 11001 Belgrade, Yugoslavia

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Pages:
317–323
Online Publication Date:
03 Aug 2005
Publication Date:
01 Jul 1997
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01987453
Keywords:
characterisation; colloidal CdS; photopolymerisation; poly(methyl methacrylate); thermogravimetry
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Abstract  

The thermal stability of poly(methyl methacrylate) (PMMA) photopolymerised using colloidal cadmium sulphide as the photoinitiator was studied by thermogravimetry (TG) and differential TG (DTG). The thermal stability of the CdS initiated PMMA was greater than that of conventional radically polymerised PMMA and approached that of anionically prepared PMMA. The DTG curve of the CdS initiated PMMA was a composite of four peaks, three of which correspond to the three peaks observed in the DTG curve of standard radically prepared PMMA. It is suggested that the additional peak arises from a new mode of depolymerisation initiation, that is, from chain end unsaturation introduced into the polymer chain during polymerisation initiation with the colloidal CdS.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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